CURTAIN WINDING DEVICE

WIPO Patent Application WO/2022/267143

A1

A curtain winding device, comprising a base (1), a winding mechanism (2), and a driving mechanism (3). The winding mechanism (2) comprises a primary bobbin (20) and at least one secondary bobbin (22). The primary bobbin (20) comprises a first winding section (201) and a screw section (202); the primary bobbin (20) and the secondary bobbin (22) are coaxially arranged and fixedly connected in sequence; the secondary bobbin (22) comprises a second winding section (221) having the same structure as the first winding section (201) and a first connecting member (223); the first winding section (201) and the second winding section (221) are each provided with a second connecting member (24); the first connecting member (223) on each secondary bobbin (22) is fixedly connected to the primary bobbin (20) adjacently connected thereto in the axial direction or the second connecting member (24) on the secondary bobbin (22); the primary bobbin (20) is circumferentially fixed relative to a driving shaft (30) of the driving mechanism (3); and a screw section (202) screwed to the base (1) is provided at only one end of the primary bobbin (20). The curtain winding device can reduce the axial size of the winding mechanism to the maximum extent, and is especially suitable for a curtain having a smaller width.

LEI ZHENBANG (CN)
LEI XINGBANG (CN)

PCT/CN2021/107794

December 29, 2022

July 22, 2021

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LEI ZHENBANG (CN)
LEI XINGBANG (CN)

A47H11/00; B65H54/40; E06B9/40

CN210783894U	2020-06-19
CN102733740A	2012-10-17
CN201958581U	2011-09-07
CN101349139A	2009-01-21
CN202031462U	2011-11-09
US6325131B1	2001-12-04

SHENZHEN EASYPRO INTELLECTUAL PROPERTY OFFICE (GENERAL PARTNERSHIP) (CN)

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